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Finding the Fourth Proportional to 114,618.64, 158,180.88 and 66,222.64

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Solution

The fourth proportional to 114,618.64, 158,180.88 and 66,222.64 is: 91,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,618.64 : 158,180.88 = 66,222.64 : x
  2. Step 2: Convert to fraction form
    114,618.64/158,180.88 = 66,222.64/x
  3. Step 3: Cross multiply
    114,618.64x = 158,180.88 × 66,222.64
  4. Step 4: Simplify right side
    114,618.64x = 10,475,155,471.12
  5. Step 5: Solve for x
    x = 10,475,155,471.12/114,618.64
  6. Step 6: Final answer
    x = 91,391.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.